On the use of performance models for adaptive algorithm selection on heterogeneous clusters (2008)
Achour, Sami, Nasri, Wahid, Steffenel, Luiz Angelo
Due to the increasing diversity and the continuous evolution of existing parallel systems, solving efficiently a target problem by using a single algorithm or writing efficient and portable programs...
On the use of performance models for adaptive algorithm selection on heterogeneous clusters (2008)
Achour, Sami, Nasri, Wahid, Steffenel, Luiz Angelo
Due to the increasing diversity and the continuous evolution of existing parallel systems, solving efficiently a target problem by using a single algorithm or writing efficient and portable programs...
Assessing Contention Effects of All-to-All Communications on Clusters and Grids (2008)
Steffenel, Luiz Angelo, Martinasso, Maxime, Trystram, Denis
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient algorithms have been studied for...
Assessing Contention Effects of All-to-All Communications on Clusters and Grids (2008)
Steffenel, Luiz Angelo, Martinasso, Maxime, Trystram, Denis
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient algorithms have been studied for...
Adaptive Approaches for Efficient Parallel Algorithms on Cluster-based Systems (2008)
Nasri, Wahid, Steffenel, Luiz Angelo, Trystram, Denis
Few years ago, there was a huge development of new parallel and distributed systems. Due to many reasons, such as the inherent heterogeneity, the diversity, and the continuous evolution of such...
Adaptive Approaches for Efficient Parallel Algorithms on Cluster-based Systems (2008)
Nasri, Wahid, Steffenel, Luiz Angelo, Trystram, Denis
Few years ago, there was a huge development of new parallel and distributed systems. Due to many reasons, such as the inherent heterogeneity, the diversity, and the continuous evolution of such...
Total Order Broadcast on Pervasive Systems (2008)
Steffenel, Luiz Angelo, Kirsch Pinheiro, Manuele, Bebers, Yolande
Total Order Broadcast protocols are important tools to ensure coherence across distributed systems. Contrarily to classical distributed systems, pervasive systems bring important constraints related...
Steffenel, Luiz Angelo, Mounié, Grégory
Collective communication operations are widely used in MPI applications and play an important role in their performance. However, the network heterogeneity inherent to grid environments represent a...
Total Order Broadcast on Pervasive Systems (2008)
Steffenel, Luiz Angelo, Kirsch Pinheiro, Manuele, Bebers, Yolande
Total Order Broadcast protocols are important tools to ensure coherence across distributed systems. Contrarily to classical distributed systems, pervasive systems bring important constraints related...
Steffenel, Luiz Angelo, Mounié, Grégory
Collective communication operations are widely used in MPI applications and play an important role in their performance. However, the network heterogeneity inherent to grid environments represent a...
Fast and Efficient Total Exchange on Two Clusters (2007)
Jeannot, Emmanuel, Steffenel, Luiz Angelo
Total Exchange is one of the most important collective communication patterns for scientific applications. In this paper we propose an algorithm called ${\mathcal LG}$ for the total exchange...
Fast and Efficient Total Exchange on Two Clusters (2007)
Jeannot, Emmanuel, Steffenel, Luiz Angelo
Total Exchange is one of the most important collective communication patterns for scientific applications. In this paper we propose an algorithm called ${\mathcal LG}$ for the total exchange...
Total Exchange Performance Prediction on Grid Environments: modeling and algorithmic issues (2007)
Steffenel, Luiz Angelo, Jeannot, Emmanuel
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient algorithms have been studied for...
Total Exchange Performance Prediction on Grid Environments: modeling and algorithmic issues (2007)
Steffenel, Luiz Angelo, Jeannot, Emmanuel
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient algorithms have been studied for...
Fast and Efficient Total Exchange on Two Clusters (2007)
Jeannot, Emmanuel, Steffenel, Luiz Angelo
Total Exchange is one of the most important collective communication patterns for scientific applications. In this paper we propose an algorithm called LG for the total exchange redistribution...
Total Exchange Performance Prediction on Grid Environments: modeling and algorithmic issues (2007)
Steffenel, Luiz Angelo, Jeannot, Emmanuel
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient algorithms have been studied for...
Adaptive Performance Modeling on Hierarchical Grid Computing Environments (2007)
Nasri, Wahid, Steffenel, Luiz Angelo, Trystram, Denis
In the past, efficient parallel algorithms have always been developed specifically for the successive generations of parallel systems (vector machines, shared-memory machines, distributed-memory...
Assessing Contention Effects on MPI_Alltoall Communications (2007)
Steffenel, Luiz Angelo, Martinasso, Maxime, Trystram, Denis
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient algorithms have been studied for...
Adaptive Performance Modeling on Hierarchical Grid Computing Environments (2007)
Nasri, Wahid, Steffenel, Luiz Angelo, Trystram, Denis
In the past, efficient parallel algorithms have always been developed specifically for the successive generations of parallel systems (vector machines, shared-memory machines, distributed-memory...
Assessing Contention Effects on MPI_Alltoall Communications (2007)
Steffenel, Luiz Angelo, Martinasso, Maxime, Trystram, Denis
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient algorithms have been studied for...
Fast and Scalable Total Order Broadcast for Wide-area Networks (2006)
Fault tolerant protocols such as Total Order Broadcast are key aspects on the development of reliable distributed systems, but they are barely supported on large-scale systems due to the cost of...
A Framework for Adaptive Collective Communications on Heterogeneous Hierarchical Networks (2006)
Today, due to the wide variety of existing parallel systems consisting on collections of heterogeneous machines, it is very difficult for a user to solve a target problem by using a single algorithm...
Modelling Network Contention Effects on All-to-All Operations (2006)
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient complete exchange algorithms have been...
Fast and Scalable Total Order Broadcast for Wide-area Networks (2006)
Fault tolerant protocols such as Total Order Broadcast are key aspects on the development of reliable distributed systems, but they are barely supported on large-scale systems due to the cost of...
A Framework for Adaptive Collective Communications on Heterogeneous Hierarchical Networks (2006)
Today, due to the wide variety of existing parallel systems consisting on collections of heterogeneous machines, it is very difficult for a user to solve a target problem by using a single algorithm...
Modelling Network Contention Effects on All-to-All Operations (2006)
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient complete exchange algorithms have been...
Modeling Network Contention Effects on All-to-All Operations (2006)
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient complete exchange algorithms have been...
Modeling Network Contention Effects on All-to-All Operations (2006)
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient complete exchange algorithms have been...
Avaliação dos Detectores de Defeitos e sua Influência nas Operações de Consenso (2006)
This work presents our observations and analysis on the influence of the failure detectors over the consensus algorithm. Failure detectors are essential to the consensus in an asynchronous...
Avaliação dos Detectores de Defeitos e sua Influência nas Operações de Consenso (2006)
This work presents our observations and analysis on the influence of the failure detectors over the consensus algorithm. Failure detectors are essential to the consensus in an asynchronous...
Modeling Network Contention Effects on AlltoAll Operations (2006)
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient complete exchange algorithms have been...
Modeling Network Contention Effects on All-to-All Operations (2006)
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient complete exchange algorithms have been...
A Framework for Adaptive Collective Communications on Heterogeneous Hierarchical Networks (2006)
Today, due to the wide variety of existing parallel systems consisting on collections of heterogeneous machines, it is very difficult for a user to solve a target problem by using a single algorithm...
Fast and Scalable Total Order Broadcast for Wide-area Networks (2006)
Fault tolerant protocols such as Total Order Broadcast are key aspects on the development of reliable distributed systems, but they are barely supported on large-scale systems due to the cost of...
Modelling Network Contention Effects\\ on All-to-All Operations (2006)
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient complete exchange algorithms have been...
A Framework for Adaptive Collective Communications on Heterogeneous Hierarchical Networks (2006)
Today, due to the wide variety of existing parallel systems consisting on collections of heterogeneous machines, it is very difficult for a user to solve a target problem by using a single algorithm...
Fast and Scalable Total Order Broadcast for Wide-area Networks (2006)
Fault tolerant protocols such as Total Order Broadcast are key aspects on the development of reliable distributed systems, but they are barely supported on large-scale systems due to the cost of...
Modelling Network Contention Effects\\ on All-to-All Operations (2006)
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient complete exchange algorithms have been...
Modelling Network Contention Effects on All-to-All Operations (2006)
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient complete exchange algorithms have been...
A Framework for Adaptive Collective Communications on Heterogeneous Hierarchical Networks (2006)
Today, due to the wide variety of existing parallel systems consisting on collections of heterogeneous machines, it is very difficult for a user to solve a target problem by using a single algorithm...
A Framework for Adaptive Collective Communications on Heterogeneous Hierarchical Networks (2006)
Today, due to the wide variety of existing parallel systems consisting on collections of heterogeneous machines, it is very difficult for a user to solve a target problem by using a single algorithm...
Modelling Network Contention Effects on All-to-All Operations (2006)
One of the most important collective communication patterns used in scientific applications is the complete exchange, also called All-to-All. Although efficient complete exchange algorithms have been...
Avaliação dos Detectores de Defeitos e sua Influência nas Operações de Consenso (2001)
This work presents our observations and analysis on the influence of the failure detectors over the consensus algorithm. Failure detectors are essential to the consensus in an asynchronous...
Avaliação dos Detectores de Defeitos e sua Influência nas Operações de Consenso (2001)
This work presents our observations and analysis on the influence of the failure detectors over the consensus algorithm. Failure detectors are essential to the consensus in an asynchronous...